Wasserlauf NRW - Stiftung für Gewässerschutz und Wanderfische

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                                Migratory fish in the strict sense (i.e. diadromic species) alternate in the course of their lifecycle between salt water and fresh water, that is between the river and the sea.<br />
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Originally there were some 11 species of migratory fish indigenous to NRW (including cyclostomata): salmon, sea trout, houting, eel, allis shad, twaite shad, sturgeon, flounder, smelt, river lamprey and sea lamprey.<br />
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Besides these, however, most other species of fish (such as barbel, grayling and brown trout) can be classified as migratory fish, as they make migrations within their fresh water environment to spawning grounds, food sources and areas where they spend the winter. Of the first group of long-distance migratory fish mentioned above, all species are again found today (at least in isolated instances) in the Rhine system with the exception of the sturgeon. The recovery of the fish population is an impressive demonstration of the success of the joint efforts that have been made to improve water quality and protect fish species.<br />
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                                Here you can find out more about our species-related projects: 
                                <a hreF="seiten.php?ID=3&ID2=44&nav=2">Salmon</a>  <a hreF="seiten.php?ID=3&ID2=45&nav=2">Eel</a>  <a hreF="seiten.php?ID=3&ID2=76&nav=2">Houting</a>  <a hreF="seiten.php?ID=3&ID2=46&nav=2">Allis shad</a>
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